Samsung Galaxy J4+ vs Samsung Galaxy A40
Display
Display size
Resolution
Pixel density
Technology
TFT
Super AMOLED
Screen-to-body ratio
73.60 %
85.73 %
Features
Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Camera
Rear
Single camera
Dual camera
Main camera
Hardware Features
Phase detection autofocus
Phase detection autofocus
Specifications
Aperture size: F1.9; Focal length: 28 mm; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Second camera
5 megapixels
Hardware Features
Ultra-wide
Specifications
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Flash
LED
LED
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features
Video calling, Video sharing
Hyperlapse, Video calling, Video sharing
Front
5 megapixels
25 megapixels
Features
Flash
Design
Dimensions
Weight
the average is 6 oz (172 g)
the average is 6 oz (172 g)
Materials
Back: Plastic
Biometrics
2D Face unlock
2D Face unlock, Fingerprint (touch)
Colors
Black, Gold, Pink
Black, Pink, Blue, White
Multimedia
Headphones
3.5 mm jack
3.5 mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Album art cover, Background playback, Dolby Atmos
Album art cover, Background playback, Dolby Atmos
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
FM
Additional microphone(s)
for Noise cancellation
Hardware & Performance
System chip
Qualcomm Snapdragon 425 MSM8917
Samsung Exynos 7 Octa 7885
Processor
GPU
Adreno 308
Mali-G71 MP2
RAM
Internal storage
32 GB
64 GB
Maximum User Storage
22.4 GB
49.4 GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.1 Oreo), Samsung One UI
Android (9.0 Pie), Samsung One UI
Connectivity & Features
Bluetooth
4.2
5.0
Wi-Fi
802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
USB
microUSB, USB 2.0
USB Type-C (reversible), USB 2.0
Features
Mass storage device
Mass storage device
Location
GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Mobile Payment
Samsung Pay
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
Cellular
LTE (FDD)
Bands 1, 3, 5, 7, 8, 20
Bands 1, 3, 5, 7, 8, 20
LTE (TDD)
Bands 38, 40, 41
Bands 38, 40, 41
UMTS
850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
Data
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
Battery
Capacity
3300 mAh
3100 mAh
Type
Li - Polymer, Not user replaceable
Charging
Samsung Adaptive Fast Charging
Talk time (3G)
the average is 23 h (1362 min)
the average is 23 h (1362 min)
Internet use
3G: 14 hours; LTE: 16 hours; Wi-Fi: 16 hours
3G: 9 hours; LTE: 11 hours; Wi-Fi: 11 hours
Music playback
88.00 hours
62.00 hours
Video playback
15.00 hours
14.00 hours
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording
Regulatory Approval
FCC measured SAR
Head
0.51 W/kg
Body
0.46 W/kg
Simultaneous Transmission
1.02 W/kg
Wireless Router
0.61 W/kg
Shopping information
In The Box
Charger, USB cable, Headphones, SIM Removal Tool, Documentation
